Symptom Diagnosis: Notes
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Mazda Tribute, 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, and 2003 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When battery is disconnected, vehicle computer may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURE - MAZDA
article in GENERAL INFORMATION before disconnecting the battery.
Symptom checks cannot be used properly unless problem occurs while vehicle is being tested. To reduce diagnostic time, ensure steps in BASIC DIAGNOSTIC PROCEDURES article and appropriate SELF-DIAGNOSTICS article were performed before diagnosing a symptom. Following symptoms are available for diagnosis:
- A/C ALWAYS ON OR COMPRESSOR RUNS CONTINUOUSLY
- A/C DOES NOT TURN OFF DURING WIDE OPEN THROTTLE (WOT)
- A/C DOES NOT WORK SUFFICIENTLY
- COOLING SYSTEM CONCERNS - OVERHEATING
- COOLING SYSTEM CONCERNS - RUNS COLD
- CRANKS NORMALLY BUT WILL NOT START
- ENGINE NOISE
- ENGINE STALLS, QUITS, RUNS ROUGH, MISSES, BUCKS, JERKS, HESITATES, STUMBLES OR SURGES DURING ACCELERATION OR CRUISE
- ENGINE RUNS ROUGH OR ROLLING IDLE
- ENGINE STALLS AT IDLE OR JUST AFTER STARTING
- ENGINE VIBRATION
- EXHAUST SMOKE
- EXHAUST SULPHUR (ROTTEN EGG) SMELL
- FAILS EMISSIONS TEST
- FAST IDLE OR RUN ON
- FUEL DOES NOT SHUT OFF PROPERLY
- FUEL ODOR IN ENGINE COMPARTMENT
- HARD TO START, LONG CRANK, ERRATIC CRANK OR ERRATIC START
- KNOCKING OR PINGING DURING ACCELERATION OR CRUISE
- LACK OR LOSS OF POWER DURING ACCELERATION OR CRUISE
- LOW IDLE OR STALLS DURING DECELERATION
- MIL ILLUMINATED INCORRECTLY
- OIL CONSUMPTION EXCESSIVE
- POOR FUEL ECONOMY
- SLOW RETURN TO IDLE
- SPARK PLUG CONDITION
- WILL NOT CRANK